| Measure | Grant | Net cost | Saving / yr | Payback | Grade effect |
|---|---|---|---|---|---|
| Flat roof insulation | — | £900 – £1,200 | £297 | 3.5 yrs | +8.1 pts · reaches C |
| Cavity wall insulation(optional, beyond C) | — | £900 – £1,500 | £293 | 4.1 yrs | +7.9 pts |
Grants verified 20 August 2026. Costs are the register’s indicative ranges. Savings are restated at the fuel prices assumed in July 2026. Points per measure are estimated from 19.9 million certificates and rescaled to this home’s own certificate delta; the total is the register’s figure.
Running costs
The full plan saves £297 a year — a 28.3% annual return on £1,050.
Energy costs as modelled on the certificate, not a bill.
Sold prices
Estimated today: £184,925 HPI-indexed estimate, not a valuation
Foundry Lane: 421 sales since 1995 · £241,929 average over 10 years
Schools nearby
The schools’ own performance — Progress 8 shows value added, not just raw results.
| School | Phase | Distance | Progress |
|---|---|---|---|
| Freemantle Church of England Community Academy | Primary | 0.3 mi | — |
| St Mark's Church of England School | All-through | 0.4 mi | — |
| Foundry Lane Primary School | Primary | 0.4 mi | — |
| Regents Park Community College | Secondary | 0.7 mi | Not in the KS4 performance tables |
| Upper Shirley High School | Secondary | 1.0 mi | Progress 8 +0.09 · average (2023/24) |
| St Anne's Catholic School | Secondary | 1.1 mi | Progress 8 +0.72 · well above average (2023/24) |
Schools from the DfE register, performance from the KS4 performance tables. Progress 8 is a GCSE measure, so primaries have none. Distance is straight-line from the postcode, not a catchment: admission is decided by the school, not by us.
Foundry Lane
How this home sits against its street.